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Thoracolumbar spine kinematics and injuries in frontal impacts with reclined occupants.
Rachel Richardson
1 ,
Mohan Jayathirtha
1 ,
Kalle Chastain
1 ,
J-P Donlon
1 ,
Jason Forman
1 ,
Bronislaw Gepner
1 ,
Martin Östling
2 ,
Krystoffer Mroz
2 ,
Greg Shaw
1 ,
Bengt Pipkorn
2 ,
Jason Kerrigan
1
October 12 2020
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Abstract
Highly automated vehicles may permit alternative seating postures, which could alter occupant kinematics and challenge current restraint designs. One predicted posture is a reclined seated position. While the spine of upright occupants is subjected to flexion during frontal crashes, the orientation of reclined occupants tends to subject the spine to high compressive loads followed by high flexion loads. This study aims to investigate kinematics and mechanisms of loading in the thoracolumbar spine for a reclined seated posture through the use of postmortem human subjects (PMHS).